ATE23000T1 - WIRED MONITORING AND SECURITY SYSTEM. - Google Patents

WIRED MONITORING AND SECURITY SYSTEM.

Info

Publication number
ATE23000T1
ATE23000T1 AT83102557T AT83102557T ATE23000T1 AT E23000 T1 ATE23000 T1 AT E23000T1 AT 83102557 T AT83102557 T AT 83102557T AT 83102557 T AT83102557 T AT 83102557T AT E23000 T1 ATE23000 T1 AT E23000T1
Authority
AT
Austria
Prior art keywords
coded signal
unit
security system
actuating
response
Prior art date
Application number
AT83102557T
Other languages
German (de)
Inventor
Monte Umberto De
Daniele Gorasso
Original Assignee
Zanussi Zeltron Inst
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zanussi Zeltron Inst filed Critical Zanussi Zeltron Inst
Application granted granted Critical
Publication of ATE23000T1 publication Critical patent/ATE23000T1/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/06—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using power transmission lines
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/002—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel only replying the state of the sensor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Burglar Alarm Systems (AREA)
  • Control Of Conveyors (AREA)

Abstract

A mains-wired monitoring and security system comprises an electric supply mains network (10) having connected thereto a control unit, a plurality of detecting units, and a plurality of actuating units. Each unit includes associated counter means (5, 15, 29) controlled in synchronism with each other. Each detecting unit transmits a coded signal (f2) along the mains network when an associated sensor (14) detects an alarm condition and its associated counter means (15) simultaneously counts a specific number N. At least one actuating unit activates an associated actuator (37) in response to said coded signal if its associated counter simultaneously counts the number N. The central unot visually displays said number N, which is common to at least one detecting unit and at least one actuating unit, in response to said coded signal.
AT83102557T 1982-03-18 1983-03-15 WIRED MONITORING AND SECURITY SYSTEM. ATE23000T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT45711/82A IT1159756B (en) 1982-03-18 1982-03-18 CONVEYED WAVE CONTROL AND SAFETY SYSTEM
EP83102557A EP0089607B1 (en) 1982-03-18 1983-03-15 Mains-wired monitoring and security system

Publications (1)

Publication Number Publication Date
ATE23000T1 true ATE23000T1 (en) 1986-11-15

Family

ID=11257509

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83102557T ATE23000T1 (en) 1982-03-18 1983-03-15 WIRED MONITORING AND SECURITY SYSTEM.

Country Status (4)

Country Link
EP (1) EP0089607B1 (en)
AT (1) ATE23000T1 (en)
DE (1) DE3367037D1 (en)
IT (1) IT1159756B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29809490U1 (en) * 1998-05-28 1999-10-07 Wendling Umwelttechnik Gas explosion protection device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482243A (en) * 1966-10-28 1969-12-02 Rca Corp Protective system
US3720790A (en) * 1973-01-31 1973-03-13 Amp Inc Data transmitting system
US4156112A (en) * 1977-12-07 1979-05-22 Control Junctions, Inc. Control system using time division multiplexing
GB2023896A (en) * 1978-06-23 1980-01-03 Moeller As I C Alarm systems
GB2067321B (en) * 1980-01-08 1983-07-06 Raveningham Elect Res Monitoring apparatus

Also Published As

Publication number Publication date
IT8245711A0 (en) 1982-03-18
DE3367037D1 (en) 1986-11-20
IT1159756B (en) 1987-03-04
EP0089607A1 (en) 1983-09-28
EP0089607B1 (en) 1986-10-15

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee